1. Scleritis and episcleritis;Watson;Br J Ophthalmol,1976
2. Diseases of the sclera and episclera;Watson,1992
3. The sclera;Foster,1994
4. Sclera;Spencer,1985
5. Incidence of eye disease in cases of connective tissue disease;Williamson;Trans Ophthalmol Soc UK,1974